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Patricia Davies
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Proceedings Papers

Resonant Dynamics of a Chain of Identical Linear Oscillators Coupled to a Nonlinear Oscillator

Bappaditya Banerjee, Anil K. Bajaj, Patricia Davies
Proc. ASME. IMECE96, Nonlinear Dynamics and Controls, 231-237, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0463
https://doi.org/10.1115/IMECE1996-0463
View Paper titled, Resonant Dynamics of a Chain of Identical Linear Oscillators Coupled to a Nonlinear Oscillator
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Topics: Chain, Dynamics (Mechanics), Harmonic oscillators, Resonance, Pendulums, Approximation, Bifurcation, Dampers, Degrees of freedom, Excitation
Proceedings Papers

Inverse Filtering of Unwanted System Dynamics in Cutting Force Measurement

Steven A. Jensen, Yung C. Shin, Patricia Davies
Proc. ASME. IMECE96, Dynamic Systems and Control, 167-174, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0333
https://doi.org/10.1115/IMECE1996-0333
View Paper titled, Inverse Filtering of Unwanted System Dynamics in Cutting Force Measurement
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Topics: Cutting, Filtration, Force measurement, System dynamics, Algorithms, Dynamics (Mechanics), Transfer functions, Design, Filters, Manufacturing
Proceedings Papers

Torsional and Translational Vibrations of a Drive Shaft System With a Cardan Joint

Richard L. Routson, John M. Starkey, Peishuh Wang, Patricia Davies
Proc. ASME. DETC92, 22nd Biennial Mechanisms Conference: Flexible Mechanisms, Dynamics, and Analysis, 533-542, September 13–16, 1992
Publisher: American Society of Mechanical Engineers
Paper No: DETC1992-0422
https://doi.org/10.1115/DETC1992-0422
View Paper titled, Torsional and Translational Vibrations of a Drive Shaft System With a Cardan Joint
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Topics: Universal joints, Vibration, Laser Doppler vibrometers, Design, Probes, Resonance
Proceedings Papers

Second Order Averaging Study of an Autoparametric System

Bappaditya Banerjee, Anil K. Bajaj, Patricia Davies
Proc. ASME. DETC93, 14th Biennial Conference on Mechanical Vibration and Noise: Nonlinear Vibrations, 127-138, September 19–22, 1993
Publisher: American Society of Mechanical Engineers
Paper No: DETC1993-0038
https://doi.org/10.1115/DETC1993-0038
View Paper titled, Second Order Averaging Study of an Autoparametric System
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Topics: Bifurcation, Chaos, Damping, Degrees of freedom, Dynamics (Mechanics), Nonlinear systems, Pendulums, Resonance, Shock absorbers, Springs
Proceedings Papers

Analytical Prediction of Nonlinear System Response to Non-Stationary Excitations

Arvind Raman, Patricia Davies, Anil K. Bajaj
Proc. ASME. DETC93, 14th Biennial Conference on Mechanical Vibration and Noise: Dynamics and Vibration of Time-Varying Systems and Structures, 383-395, September 19–22, 1993
Publisher: American Society of Mechanical Engineers
Paper No: DETC1993-0127
https://doi.org/10.1115/DETC1993-0127
View Paper titled, Analytical Prediction of Nonlinear System Response to Non-Stationary Excitations
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Topics: Excitation, Nonlinear systems, Resonance, Aerospace industry, Approximation, Bifurcation, Equilibrium (Physics), Machinery, Manifolds
Proceedings Papers

Nonlinear Response of a Clamped Plate to Nonstationary Excitation: Experiments and Theory

Sarah A. McCabe, Seo I. Chang, Patricia Davies, Anil K. Bajaj
Proc. ASME. DETC93, 14th Biennial Conference on Mechanical Vibration and Noise: Dynamics and Vibration of Time-Varying Systems and Structures, 81-91, September 19–22, 1993
Publisher: American Society of Mechanical Engineers
Paper No: DETC1993-0094
https://doi.org/10.1115/DETC1993-0094
View Paper titled, Nonlinear Response of a Clamped Plate to Nonstationary Excitation: Experiments and Theory
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Topics: Excitation, Waves, Engineering simulation, Generators, Loudspeakers, Plates (structures), Signals, Simulation, Theoretical analysis
Proceedings Papers

Effects of Experimental Procedures on Narmax Model Estimation

Sarah A. McCabe, Patricia Davies
Proc. ASME. DETC95, Volume 3A: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration of Nonlinear, Random, and Time-Varying Systems, 641-649, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0305
https://doi.org/10.1115/DETC1995-0305
View Paper titled, Effects of Experimental Procedures on Narmax Model Estimation
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Topics: Algorithms, Degrees of freedom, Dynamics (Mechanics), Filtration, Noise (Sound), Simulation
Proceedings Papers

An Experimental Approach to the Design of PVDF Modal Sensors

Daniel Cuhat, Patricia Davies
Proc. ASME. IDETC-CIE2001, Volume 6B: 18th Biennial Conference on Mechanical Vibration and Noise, 1997-2004, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21537
https://doi.org/10.1115/DETC2001/VIB-21537
View Paper titled, An Experimental Approach to the Design of PVDF Modal Sensors
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Topics: Design, Sensors, Boundary-value problems, Cantilever beams, Filters, Lasers, Velocimeters
Proceedings Papers

Noise Source Identification and Noise Directivity Analysis of Bladeless Fans by Combined CFD and CAA Method

Ang Li, Jun Chen, Yangfan Liu, J. Stuart Bolton, Patricia Davies
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A014, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20168
https://doi.org/10.1115/FEDSM2020-20168
View Paper titled, Noise Source Identification and Noise Directivity Analysis of Bladeless Fans by Combined CFD and CAA Method
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Topics: Computational fluid dynamics, Fans, Noise (Sound), Aerodynamic noise, Sound pressure, Air flow, Blades, Design, Rotors, Stators
Proceedings Papers

Influence of Geometric Parameters on Aerodynamic and Acoustic Performances of Bladeless Fans

Ang Li, Jun Chen, Yangfan Liu, Stuart Bolton, Patricia Davies
Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A040, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5220
https://doi.org/10.1115/AJKFluids2019-5220
View Paper titled, Influence of Geometric Parameters on Aerodynamic and Acoustic Performances of Bladeless Fans
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Topics: Acoustics, Fans, Noise (Sound), Computational fluid dynamics, Design, Wind, Aerodynamic noise, Airfoils, Impellers
Journal Articles

Identification of Nonlinear Viscoelastic Models of Flexible Polyurethane Foam From Uniaxial Compression Data

Yousof Azizi, Patricia Davies, Anil K. Bajaj
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. April 2016, 138(2): 021008.
Paper No: MATS-13-1162
https://doi.org/10.1115/1.4032169
Published Online: February 5, 2016
View Article titled, Identification of Nonlinear Viscoelastic Models of Flexible Polyurethane Foam From Uniaxial Compression Data
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Topics: Compression, Parameter estimation, Stress, Urethane foam, Polynomials
Journal Articles

Development of a Multibody Model to Predict the Settling Point and Interfacial Pressure Distribution in a Seat–Occupant System

Yousof Azizi, Tarun Puri, Anil K. Bajaj, Patricia Davies
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. May 2015, 10(3): 031011.
Paper No: CND-14-1115
https://doi.org/10.1115/1.4029047
Published Online: May 1, 2015
View Article titled, Development of a Multibody Model to Predict the Settling Point and Interfacial Pressure Distribution in a Seat–Occupant System
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Topics: Compression, Friction, Modeling, Pressure, Springs, Automotive seats
Proceedings Papers

Development of a Multi-Body Model to Predict the Settling Point of a Seat-Occupant System

Yousof Azizi, Anil K. Bajaj, Patricia Davies
Proc. ASME. IDETC-CIE2014, Volume 8: 26th Conference on Mechanical Vibration and Noise, V008T11A032, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35462
https://doi.org/10.1115/DETC2014-35462
View Paper titled, Development of a Multi-Body Model to Predict the Settling Point of a Seat-Occupant System
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Topics: Automotive seats, Compression, Degrees of freedom, Design, Differential equations, Elasticity, Polynomials, Pressure, Urethane foam, Viscoelasticity
Proceedings Papers

Effect of Axial Load on the Response of Beams on Nonlinear Viscoelastic Unilateral Foundations

Udbhau Bhattiprolu, Anil K. Bajaj, Patricia Davies
Proc. ASME. IDETC-CIE2014, Volume 8: 26th Conference on Mechanical Vibration and Noise, V008T11A029, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35347
https://doi.org/10.1115/DETC2014-35347
View Paper titled, Effect of Axial Load on the Response of Beams on Nonlinear Viscoelastic Unilateral Foundations
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Topics: Stress, Compression, Steady state, Computation, Design, Dynamic response, Excitation, Frequency response, Galerkin method, Mechanical behavior
Journal Articles

Static and Dynamic Response of Beams on Nonlinear Viscoelastic Unilateral Foundations: A Multimode Approach

Udbhau Bhattiprolu, Patricia Davies, Anil K. Bajaj
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. June 2014, 136(3): 031002.
Paper No: VIB-13-1165
https://doi.org/10.1115/1.4026435
Published Online: February 21, 2014
View Article titled, Static and Dynamic Response of Beams on Nonlinear Viscoelastic Unilateral Foundations: A Multimode Approach
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Topics: Excitation, Steady state, Stress, Deflection, Dynamic response
Proceedings Papers

Identification of the Dynamic Behavior of Surrogate Explosive Materials

Jelena Paripovic, Patricia Davies
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A066, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-12755
https://doi.org/10.1115/DETC2013-12755
View Paper titled, Identification of the Dynamic Behavior of Surrogate Explosive Materials
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Topics: Explosives, Crystals, Excitation, Acoustics, Binders (Materials), Compression, Damping, Dynamic response, Improvised explosive devices, Materials properties
Proceedings Papers

Identification of Nonlinear Viscoelastic Models of Flexible Polyurethane Foam From Uniaxial Compression Data

Yousof Azizi, Patricia Davies, Anil K. Bajaj
Proc. ASME. IMECE2012, Volume 8: Mechanics of Solids, Structures and Fluids, 447-454, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-88190
https://doi.org/10.1115/IMECE2012-88190
View Paper titled, Identification of Nonlinear Viscoelastic Models of Flexible Polyurethane Foam From Uniaxial Compression Data
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Topics: Compression, Urethane foam, Engineering systems and industry applications, Foamed materials, Foams (Chemistry), Polynomials, Stress, Viscoelasticity
Proceedings Papers

Predictions of the Periodic Response of a Single-Degree-of-Freedom Foam-Mass System by Using Incremental Harmonic Balance

Yousof Azizi, Patricia Davies, Anil K. Bajaj
Proc. ASME. IMECE2012, Volume 12: Vibration, Acoustics and Wave Propagation, 263-273, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-88232
https://doi.org/10.1115/IMECE2012-88232
View Paper titled, Predictions of the Periodic Response of a Single-Degree-of-Freedom Foam-Mass System by Using Incremental Harmonic Balance
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Topics: Damping, Dynamic response, Excitation, Fatigue, Steady state, Urethane foam, Vehicles, Vibration, Wounds
Proceedings Papers

An Investigation Into the Dynamic Response of Seat-Occupant Models Incorporating Foam Properties Identified Through Quasi-Static Compression Tests

Gauri A. Joshi, Yousof Azizi, Anil Bajaj, Patricia Davies
Proc. ASME. IDETC-CIE2011, Volume 4: 8th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A and B, 739-748, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-48006
https://doi.org/10.1115/DETC2011-48006
View Paper titled, An Investigation Into the Dynamic Response of Seat-Occupant Models Incorporating Foam Properties Identified Through Quasi-Static Compression Tests
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Topics: Compression, Dynamic response, Design, Urethane foam, Vibration, Deflection, Friction, Optimization, Shapes, Vehicles
Proceedings Papers

Response of a Beam on Nonlinear Viscoelastic Unilateral Foundation and Numerical Challenges

Udbhau Bhattiprolu, Patricia Davies, Anil K. Bajaj
Proc. ASME. IDETC-CIE2011, Volume 1: 23rd Biennial Conference on Mechanical Vibration and Noise, Parts A and B, 813-819, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-48776
https://doi.org/10.1115/DETC2011-48776
View Paper titled, Response of a Beam on Nonlinear Viscoelastic Unilateral Foundation and Numerical Challenges
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Topics: Biological tissues, Compression, Dynamic models, Excitation, Frequency response, Galerkin method, Steady state, Stress, Urethane elastomers, Urethane foam